546491777560 has 64 divisors (see below), whose sum is σ = 1235830373280. Its totient is φ = 217492853760.

The previous prime is 546491777501. The next prime is 546491777593. The reversal of 546491777560 is 65777194645.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6732979 + ... + 6813661.

Almost surely, 2^546491777560 is an apocalyptic number.

It is an amenable number.

546491777560 is an abundant number, since it is smaller than the sum of its proper divisors (689338595720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

546491777560 is a wasteful number, since it uses less digits than its factorization.

546491777560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81548 (or 81544 counting only the distinct ones).

The product of its (nonzero) digits is 44452800, while the sum is 61.

The spelling of 546491777560 in words is "five hundred forty-six billion, four hundred ninety-one million, seven hundred seventy-seven thousand, five hundred sixty".